When you're on a short plane ride, there's usually not much of a reason to buy in-flight WiFi. Sure, if you have important work that can't wait, then yeah, definitely do that. But otherwise, I've found it's a better use of my time to catch up on a book, or watch a movie on my tablet. Now when you're traveling overseas, that's a different story. And British Airways is about to start giving their long haul passengers a serious speed boost.